<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

</head>
<body>

<div id="app">
    {{name}}真帅啊



</div>

</body>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script>

        var  app = new Vue({
            el:'#app',
            data:{
                name:'我啊'
            }

        })
    </script>
</html>